.logo-container {
    text-align: center;
    margin-bottom: 15px;
}

.music-logo {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
    transform: rotate(-5deg);
    transition: transform 0.3s ease;
}

.music-logo:hover {
    transform: rotate(0deg) scale(1.05);
}

.music-logo::before {
    content: '♪';
    font-size: 40px;
    color: white;
    font-weight: bold;
}

.app-title {
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 20px;
    font-weight: 600;
    color: #333;
    display: flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: 1px;
    transition: transform 0.3s ease;
}

.app-title::before {
    content: '♪';
    font-size: 18px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.app-title:hover {
    transform: translateX(5px);
}

.auth-container {
    position: relative;
    max-width: 500px;
    margin: 0 auto;
    padding: 20px;
}

.upload-form {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 20px;
}

.form-label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
}

.form-input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e1e5e9;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-input:focus {
    border-color: #667eea;
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.file-input-container {
    position: relative;
    margin-bottom: 20px;
}

.file-input-label {
    display: block;
    padding: 12px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    text-align: center;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.file-input-label:hover {
    transform: translateY(-2px);
}

.file-input {
    position: absolute;
    width: 0;
    height: 0;
    opacity: 0;
}

.submit-btn {
    width: 100%;
    padding: 12px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.submit-btn:hover {
    transform: translateY(-2px);
}

.file-name {
    margin-top: 10px;
    font-size: 14px;
    color: #6c757d;
}

.upload-status {
    margin-top: 15px;
    text-align: center;
}

.status-message {
    padding: 10px;
    border-radius: 5px;
    margin-top: 10px;
}

.status-message.success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.status-message.error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.submit-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}